Some Asked To Quarantine, But “NO” Confirmed Coronavirus At Polaris In Roseau
ROSEAU, MN (trfnews.i234.me) Company officials say some employees were asked to quarantine, after an employee came to work sick. But at this time there are no confirmed cases of Coronavirus at the Polaris plant in Roseau, Minnesota.
Some Asked to Quarantine, But No Confirmed COVID-19 Cases at Polaris in Roseau

What I would like to know is who gets to decide what is and what is not considered an "essential business"?
Polaris manufactures recreational use vehicles. I am unclear on what justifies this as essential?